package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.sky.constant.MessageConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import com.sky.utils.WeChatPayUtil;
import org.apache.juli.logging.LogConfigurationException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.security.auth.login.LoginException;
import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceImpl implements UserService {
    private static final String WE_LOGAL="https://api.weixin.qq.com/sns/jscode2session";
    @Autowired
    private WeChatProperties weChatProperties;
    @Autowired
    private UserMapper userMapper;
    /**
     * 微信登录
     * @param userLoginDTO
     * @return
     */
    public User wechat(UserLoginDTO userLoginDTO) {
        //请求微信的openid
        Map<String, String> map = new HashMap<>();
        map.put("appid",weChatProperties.getAppid());
        map.put("secret",weChatProperties.getSecret());
        map.put("js_code",userLoginDTO.getCode());
        map.put("grant_type","authorization_code");
        String json = HttpClientUtil.doGet(WE_LOGAL, map);
        JSONObject jsonObject = JSON.parseObject(json);
        String openid = jsonObject.getString("openid");

        //判断openid是否为空
        if (openid==null){
            throw new LogConfigurationException(MessageConstant.LOGIN_FAILED);
        }

        //判断当前用户是否为新用户
       User user1 = userMapper.getByOpenId(openid);

       //是新用户,自动注册
        if (user1 == null){
            User user = new User();
            user.setOpenid(openid);
            user.setCreateTime(LocalDateTime.now());
            userMapper.insert(user);
            return user;
        }

        //不是新用户

        return user1;
    }
}
